0_0_30300117_9931.cpp:57:1: error: expected '}' at end of input
}
^
0_0_30300117_9931.cpp: In member function 'matrix matrix::operator*(const matrix&) const':
0_0_30300117_9931.cpp:22:35: error: invalid conversion from 'const long long int (*)[2]' to 'long long int' [-fpermissive]
for (int k=0;k<2;k++) c.a[i][j]=a
^
0_0_30300117_9931.cpp:23:1: error: expected ';' before '}' token
}mul[N*4],ans;
^
0_0_30300117_9931.cpp:23:2: error: 'mul' was not declared in this scope
}mul[N*4],ans;
^
0_0_30300117_9931.cpp:23:11: error: 'ans' was not declared in this scope
}mul[N*4],ans;
^
0_0_30300117_9931.cpp:24:22: error: a function-definition is not allowed here before '{' token
void pushdown(int d) { if (tag[d]) tag[d*2]^=1,tag[d*2+1]^=1,mul[d*2].change(),mul[d*2+1].change(),tag[d]=0; }
^
0_0_30300117_9931.cpp:26:1: error: a function-definition is not allowed here before '{' token
{
^
0_0_30300117_9931.cpp:57:1: error: expected '}' at end of input
}
^
0_0_30300117_9931.cpp: At global scope:
0_0_30300117_9931.cpp:57:1: error: expected unqualified-id at end of input
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